[Gllug] A SATA Raid card worth having?

[Rich Walker]

Tethys <sta296 at astradyne.co.uk> writes:

> John Hearns writes:
>
>>Given the choice, hardware RAID any time for me.
>
> I see pros and cons for both. Decent hardware RAID will give great
> performance, but what happens when the controller dies, and the
> replacement comes with a different firmware revision that changes
> the on-disk format? Suddenly you have a bunch of unreadable garbage
> on your disks. I wish I could say this was a rare occurrence, but
> sadly it doesn't seem to be.

Also, hardware raid bottlenecks transfer through a single card, which
may set an upper limit to the number of disks it's worth putting on a
single card.

Multiple non-RAID controller cards on separate busses may offer some
improvements there...

cheers, Rich.


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